diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/Kconfig | 10 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/palmz72.h | 67 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/palmtx.c | 20 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/palmz72.c | 480 |
5 files changed, 578 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index d056e0ff781..5548abd6390 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -288,6 +288,16 @@ config MACH_PALMTX Say Y here if you intend to run this kernel on a Palm T|X handheld computer. +config MACH_PALMZ72 + bool "Palm Zire 72" + default y + depends on ARCH_PXA_PALM + select PXA27x + select IWMMXT + help + Say Y here if you intend to run this kernel on Palm Zire 72 + handheld computer. + config MACH_PCM990_BASEBOARD bool "PHYTEC PCM-990 development board" select HAVE_PWM diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 0d213ec58b1..30936e40fea 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -45,6 +45,7 @@ obj-$(CONFIG_MACH_E750) += e750_lcd.o obj-$(CONFIG_MACH_E400) += e400_lcd.o obj-$(CONFIG_MACH_E800) += e800_lcd.o obj-$(CONFIG_MACH_PALMTX) += palmtx.o +obj-$(CONFIG_MACH_PALMZ72) += palmz72.o ifeq ($(CONFIG_MACH_ZYLONITE),y) obj-y += zylonite.o diff --git a/arch/arm/mach-pxa/include/mach/palmz72.h b/arch/arm/mach-pxa/include/mach/palmz72.h new file mode 100644 index 00000000000..8fd30bcecb7 --- /dev/null +++ b/arch/arm/mach-pxa/include/mach/palmz72.h @@ -0,0 +1,67 @@ +/* + * GPIOs and interrupts for Palm Zire72 Handheld Computer + * + * Authors: Alex Osborne <bobofdoom@gmail.com> + * Jan Herman <2hp@seznam.cz> + * Sergey Lapin <slapin@ossfans.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#ifndef _INCLUDE_PALMZ72_H_ +#define _INCLUDE_PALMZ72_H_ + +/* Power and control */ +#define GPIO_NR_PALMZ72_GPIO_RESET 1 +#define GPIO_NR_PALMZ72_POWER_DETECT 0 + +/* SD/MMC */ +#define GPIO_NR_PALMZ72_SD_DETECT_N 14 +#define GPIO_NR_PALMZ72_SD_POWER_N 98 +#define GPIO_NR_PALMZ72_SD_RO 115 + +/* Touchscreen */ +#define GPIO_NR_PALMZ72_WM9712_IRQ 27 + +/* IRDA - disable GPIO connected to SD pin of tranceiver (TFBS4710?) ? */ +#define GPIO_NR_PALMZ72_IR_DISABLE 49 + +/* USB */ +#define GPIO_NR_PALMZ72_USB_DETECT_N 15 +#define GPIO_NR_PALMZ72_USB_POWER 95 +#define GPIO_NR_PALMZ72_USB_PULLUP 12 + +/* LCD/Backlight */ +#define GPIO_NR_PALMZ72_BL_POWER 20 +#define GPIO_NR_PALMZ72_LCD_POWER 96 + +/* LED */ +#define GPIO_NR_PALMZ72_LED_GREEN 88 + +/* Bluetooth */ +#define GPIO_NR_PALMZ72_BT_POWER 17 +#define GPIO_NR_PALMZ72_BT_RESET 83 + +/** Initial values **/ + +/* Battery */ +#define PALMZ72_BAT_MAX_VOLTAGE 4000 /* 4.00v current voltage */ +#define PALMZ72_BAT_MIN_VOLTAGE 3550 /* 3.55v critical voltage */ +#define PALMZ72_BAT_MAX_CURRENT 0 /* unknokn */ +#define PALMZ72_BAT_MIN_CURRENT 0 /* unknown */ +#define PALMZ72_BAT_MAX_CHARGE 1 /* unknown */ +#define PALMZ72_BAT_MIN_CHARGE 1 /* unknown */ +#define PALMZ72_MAX_LIFE_MINS 360 /* on-life in minutes */ + +/* Backlight */ +#define PALMZ72_MAX_INTENSITY 0xFE +#define PALMZ72_DEFAULT_INTENSITY 0x7E +#define PALMZ72_LIMIT_MASK 0x7F +#define PALMZ72_PRESCALER 0x3F +#define PALMZ72_PERIOD_NS 3500 + +#endif + diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c index fe924a23deb..4447711c9fc 100644 --- a/arch/arm/mach-pxa/palmtx.c +++ b/arch/arm/mach-pxa/palmtx.c @@ -25,6 +25,8 @@ #include <linux/pda_power.h> #include <linux/pwm_backlight.h> #include <linux/gpio.h> +#include <linux/wm97xx_batt.h> +#include <linux/power_supply.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -340,6 +342,23 @@ static struct platform_device power_supply = { }; /****************************************************************************** + * WM97xx battery + ******************************************************************************/ +static struct wm97xx_batt_info wm97xx_batt_pdata = { + .batt_aux = WM97XX_AUX_ID3, + .temp_aux = WM97XX_AUX_ID2, + .charge_gpio = -1, + .max_voltage = PALMTX_BAT_MAX_VOLTAGE, + .min_voltage = PALMTX_BAT_MIN_VOLTAGE, + .batt_mult = 1000, + .batt_div = 414, + .temp_mult = 1, + .temp_div = 1, + .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, + .batt_name = "main-batt", +}; + +/****************************************************************************** * Framebuffer ******************************************************************************/ static struct pxafb_mode_info palmtx_lcd_modes[] = { @@ -401,6 +420,7 @@ static void __init palmtx_init(void) pxa_set_ac97_info(NULL); pxa_set_ficp_info(&palmtx_ficp_platform_data); pxa_set_keypad_info(&palmtx_keypad_platform_data); + wm97xx_bat_set_pdata(&wm97xx_batt_pdata); platform_add_devices(devices, ARRAY_SIZE(devices)); } diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c new file mode 100644 index 00000000000..a90b4d77a20 --- /dev/null +++ b/arch/arm/mach-pxa/palmz72.c @@ -0,0 +1,480 @@ +/* + * Hardware definitions for Palm Zire72 + * + * Authors: + * Vladimir "Farcaller" Pouzanov <farcaller@gmail.com> + * Sergey Lapin <slapin@ossfans.org> + * Alex Osborne <bobofdoom@gmail.com> + * Jan Herman <2hp@seznam.cz> + * + * Rewrite for mainline: + * Marek Vasut <marek.vasut@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * (find more info at www.hackndev.com) + * + */ + +#include <linux/platform_device.h> +#include <linux/sysdev.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/gpio_keys.h> +#include <linux/input.h> +#include <linux/pda_power.h> +#include <linux/pwm_backlight.h> +#include <linux/gpio.h> +#include <linux/power_supply.h> + +#include <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/audio.h> +#include <mach/palmz72.h> +#include <mach/mmc.h> +#include <mach/pxafb.h> +#include <mach/pxa-regs.h> +#include <mach/pxa2xx-regs.h> +#include <mach/mfp-pxa27x.h> +#include <mach/irda.h> +#include <mach/pxa27x_keypad.h> +#include <mach/udc.h> +#include <mach/pm.h> + +#include "generic.h" +#include "devices.h" + +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long palmz72_pin_config[] __initdata = { + /* MMC */ + GPIO32_MMC_CLK, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + GPIO112_MMC_CMD, + GPIO14_GPIO, /* SD detect */ + GPIO115_GPIO, /* SD RO */ + GPIO98_GPIO, /* SD power */ + + /* AC97 */ + GPIO28_AC97_BITCLK, + GPIO29_AC97_SDATA_IN_0, + GPIO30_AC97_SDATA_OUT, + GPIO31_AC97_SYNC, + + /* IrDA */ + GPIO49_GPIO, /* ir disable */ + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, + + /* PWM */ + GPIO16_PWM0_OUT, + + /* USB */ + GPIO15_GPIO, /* usb detect */ + GPIO12_GPIO, /* usb pullup */ + GPIO95_GPIO, /* usb power */ + + /* Matrix keypad */ + GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, + GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH, + GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH, + GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH, + GPIO103_KP_MKOUT_0, + GPIO104_KP_MKOUT_1, + GPIO105_KP_MKOUT_2, + + /* LCD */ + GPIO58_LCD_LDD_0, + GPIO59_LCD_LDD_1, + GPIO60_LCD_LDD_2, + GPIO61_LCD_LDD_3, + GPIO62_LCD_LDD_4, + GPIO63_LCD_LDD_5, + GPIO64_LCD_LDD_6, + GPIO65_LCD_LDD_7, + GPIO66_LCD_LDD_8, + GPIO67_LCD_LDD_9, + GPIO68_LCD_LDD_10, + GPIO69_LCD_LDD_11, + GPIO70_LCD_LDD_12, + GPIO71_LCD_LDD_13, + GPIO72_LCD_LDD_14, + GPIO73_LCD_LDD_15, + GPIO74_LCD_FCLK, + GPIO75_LCD_LCLK, + GPIO76_LCD_PCLK, + GPIO77_LCD_BIAS, + GPIO20_GPIO, /* bl power */ + GPIO21_GPIO, /* LCD border switch */ + GPIO22_GPIO, /* LCD border color */ + GPIO96_GPIO, /* lcd power */ + + /* Misc. */ + GPIO0_GPIO | WAKEUP_ON_LEVEL_HIGH, /* power detect */ + GPIO88_GPIO, /* green led */ + GPIO27_GPIO, /* WM9712 IRQ */ +}; + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +static int palmz72_mci_init(struct device *dev, + irq_handler_t palmz72_detect_int, void *data) +{ + int err = 0; + + /* Setup an interrupt for detecting card insert/remove events */ + err = gpio_request(GPIO_NR_PALMZ72_SD_DETECT_N, "SD IRQ"); + if (err) + goto err; + err = gpio_direction_input(GPIO_NR_PALMZ72_SD_DETECT_N); + if (err) + goto err2; + err = request_irq(gpio_to_irq(GPIO_NR_PALMZ72_SD_DETECT_N), + palmz72_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM | + IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, + "SD/MMC card detect", data); + if (err) { + printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n", + __func__); + goto err2; + } + + /* SD_POWER is not actually power, but it is more like chip + * select, i.e. it is inverted */ + + err = gpio_request(GPIO_NR_PALMZ72_SD_POWER_N, "SD_POWER"); + if (err) + goto err3; + err = gpio_direction_output(GPIO_NR_PALMZ72_SD_POWER_N, 0); + if (err) + goto err4; + err = gpio_request(GPIO_NR_PALMZ72_SD_RO, "SD_RO"); + if (err) + goto err4; + err = gpio_direction_input(GPIO_NR_PALMZ72_SD_RO); + if (err) + goto err5; + + printk(KERN_DEBUG "%s: irq registered\n", __func__); + + return 0; + +err5: + gpio_free(GPIO_NR_PALMZ72_SD_RO); +err4: + gpio_free(GPIO_NR_PALMZ72_SD_POWER_N); +err3: + free_irq(gpio_to_irq(GPIO_NR_PALMZ72_SD_DETECT_N), data); +err2: + gpio_free(GPIO_NR_PALMZ72_SD_DETECT_N); +err: + return err; +} + +static void palmz72_mci_exit(struct device *dev, void *data) +{ + gpio_free(GPIO_NR_PALMZ72_SD_POWER_N); + free_irq(gpio_to_irq(GPIO_NR_PALMZ72_SD_DETECT_N), data); + gpio_free(GPIO_NR_PALMZ72_SD_DETECT_N); + gpio_free(GPIO_NR_PALMZ72_SD_RO); +} + +static void palmz72_mci_power(struct device *dev, unsigned int vdd) +{ + struct pxamci_platform_data *p_d = dev->platform_data; + if (p_d->ocr_mask & (1 << vdd)) + gpio_set_value(GPIO_NR_PALMZ72_SD_POWER_N, 0); + else + gpio_set_value(GPIO_NR_PALMZ72_SD_POWER_N, 1); +} + +static int palmz72_mci_ro(struct device *dev) +{ + return gpio_get_value(GPIO_NR_PALMZ72_SD_RO); +} + +static struct pxamci_platform_data palmz72_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .setpower = palmz72_mci_power, + .get_ro = palmz72_mci_ro, + .init = palmz72_mci_init, + .exit = palmz72_mci_exit, +}; + +/****************************************************************************** + * GPIO keyboard + ******************************************************************************/ +static unsigned int palmz72_matrix_keys[] = { + KEY(0, 0, KEY_POWER), + KEY(0, 1, KEY_F1), + KEY(0, 2, KEY_ENTER), + + KEY(1, 0, KEY_F2), + KEY(1, 1, KEY_F3), + KEY(1, 2, KEY_F4), + + KEY(2, 0, KEY_UP), + KEY(2, 2, KEY_DOWN), + + KEY(3, 0, KEY_RIGHT), + KEY(3, 2, KEY_LEFT), +}; + +static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = { + .matrix_key_rows = 4, + .matrix_key_cols = 3, + .matrix_key_map = palmz72_matrix_keys, + .matrix_key_map_size = ARRAY_SIZE(palmz72_matrix_keys), + + .debounce_interval = 30, +}; + +/****************************************************************************** + * Backlight + ******************************************************************************/ +static int palmz72_backlight_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO_NR_PALMZ72_BL_POWER, "BL POWER"); + if (ret) + goto err; + ret = gpio_direction_output(GPIO_NR_PALMZ72_BL_POWER, 0); + if (ret) + goto err2; + ret = gpio_request(GPIO_NR_PALMZ72_LCD_POWER, "LCD POWER"); + if (ret) + goto err2; + ret = gpio_direction_output(GPIO_NR_PALMZ72_LCD_POWER, 0); + if (ret) + goto err3; + + return 0; +err3: + gpio_free(GPIO_NR_PALMZ72_LCD_POWER); +err2: + gpio_free(GPIO_NR_PALMZ72_BL_POWER); +err: + return ret; +} + +static int palmz72_backlight_notify(int brightness) +{ + gpio_set_value(GPIO_NR_PALMZ72_BL_POWER, brightness); + gpio_set_value(GPIO_NR_PALMZ72_LCD_POWER, brightness); + return brightness; +} + +static void palmz72_backlight_exit(struct device *dev) +{ + gpio_free(GPIO_NR_PALMZ72_BL_POWER); + gpio_free(GPIO_NR_PALMZ72_LCD_POWER); +} + +static struct platform_pwm_backlight_data palmz72_backlight_data = { + .pwm_id = 0, + .max_brightness = PALMZ72_MAX_INTENSITY, + .dft_brightness = PALMZ72_MAX_INTENSITY, + .pwm_period_ns = PALMZ72_PERIOD_NS, + .init = palmz72_backlight_init, + .notify = palmz72_backlight_notify, + .exit = palmz72_backlight_exit, +}; + +static struct platform_device palmz72_backlight = { + .name = "pwm-backlight", + .dev = { + .parent = &pxa27x_device_pwm0.dev, + .platform_data = &palmz72_backlight_data, + }, +}; + +/****************************************************************************** + * IrDA + ******************************************************************************/ +static int palmz72_irda_startup(struct device *dev) +{ + int err; + err = gpio_request(GPIO_NR_PALMZ72_IR_DISABLE, "IR DISABLE"); + if (err) + goto err; + err = gpio_direction_output(GPIO_NR_PALMZ72_IR_DISABLE, 1); + if (err) + gpio_free(GPIO_NR_PALMZ72_IR_DISABLE); +err: + return err; +} + +static void palmz72_irda_shutdown(struct device *dev) +{ + gpio_free(GPIO_NR_PALMZ72_IR_DISABLE); +} + +static void palmz72_irda_transceiver_mode(struct device *dev, int mode) +{ + gpio_set_value(GPIO_NR_PALMZ72_IR_DISABLE, mode & IR_OFF); + pxa2xx_transceiver_mode(dev, mode); +} + +static struct pxaficp_platform_data palmz72_ficp_platform_data = { + .startup = palmz72_irda_startup, + .shutdown = palmz72_irda_shutdown, + .transceiver_cap = IR_SIRMODE | IR_OFF, + .transceiver_mode = palmz72_irda_transceiver_mode, +}; + +/****************************************************************************** + * LEDs + ******************************************************************************/ +static struct gpio_led gpio_leds[] = { + { + .name = "palmz72:green:led", + .default_trigger = "none", + .gpio = GPIO_NR_PALMZ72_LED_GREEN, + }, +}; + +static struct gpio_led_platform_data gpio_led_info = { + .leds = gpio_leds, + .num_leds = ARRAY_SIZE(gpio_leds), +}; + +static struct platform_device palmz72_leds = { + .name = "leds-gpio", + .id = -1, + .dev = { + .platform_data = &gpio_led_info, + } +}; + +/****************************************************************************** + * Power supply + ******************************************************************************/ +static int power_supply_init(struct device *dev) +{ + int ret; + + ret = gpio_request(GPIO_NR_PALMZ72_POWER_DETECT, "CABLE_STATE_AC"); + if (ret) + goto err1; + ret = gpio_direction_input(GPIO_NR_PALMZ72_POWER_DETECT); + if (ret) + goto err2; + + ret = gpio_request(GPIO_NR_PALMZ72_USB_DETECT_N, "CABLE_STATE_USB"); + if (ret) + goto err2; + ret = gpio_direction_input(GPIO_NR_PALMZ72_USB_DETECT_N); + if (ret) + goto err3; + + return 0; +err3: + gpio_free(GPIO_NR_PALMZ72_USB_DETECT_N); +err2: + gpio_free(GPIO_NR_PALMZ72_POWER_DETECT); +err1: + return ret; +} + +static int palmz72_is_ac_online(void) +{ + return gpio_get_value(GPIO_NR_PALMZ72_POWER_DETECT); +} + +static int palmz72_is_usb_online(void) +{ + return !gpio_get_value(GPIO_NR_PALMZ72_USB_DETECT_N); +} + +static void power_supply_exit(struct device *dev) +{ + gpio_free(GPIO_NR_PALMZ72_USB_DETECT_N); + gpio_free(GPIO_NR_PALMZ72_POWER_DETECT); +} + +static char *palmz72_supplicants[] = { + "main-battery", +}; + +static struct pda_power_pdata power_supply_info = { + .init = power_supply_init, + .is_ac_online = palmz72_is_ac_online, + .is_usb_online = palmz72_is_usb_online, + .exit = power_supply_exit, + .supplied_to = palmz72_supplicants, + .num_supplicants = ARRAY_SIZE(palmz72_supplicants), +}; + +static struct platform_device power_supply = { + .name = "pda-power", + .id = -1, + .dev = { + .platform_data = &power_supply_info, + }, +}; + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +static struct pxafb_mode_info palmz72_lcd_modes[] = { +{ + .pixclock = 115384, + .xres = 320, + .yres = 320, + .bpp = 16, + + .left_margin = 27, + .right_margin = 7, + .upper_margin = 7, + .lower_margin = 8, + + .hsync_len = 6, + .vsync_len = 1, +}, +}; + +static struct pxafb_mach_info palmz72_lcd_screen = { + .modes = palmz72_lcd_modes, + .num_modes = ARRAY_SIZE(palmz72_lcd_modes), + .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, +}; + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static struct platform_device *devices[] __initdata = { + &palmz72_backlight, + &palmz72_leds, + &power_supply, +}; + +static void __init palmz72_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config)); + set_pxa_fb_info(&palmz72_lcd_screen); + pxa_set_mci_info(&palmz72_mci_platform_data); + pxa_set_ac97_info(NULL); + pxa_set_ficp_info(&palmz72_ficp_platform_data); + pxa_set_keypad_info(&palmz72_keypad_platform_data); + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +MACHINE_START(PALMZ72, "Palm Zire72") + .phys_io = 0x40000000, + .io_pg_offst = io_p2v(0x40000000), + .boot_params = 0xa0000100, + .map_io = pxa_map_io, + .init_irq = pxa27x_init_irq, + .timer = &pxa_timer, + .init_machine = palmz72_init +MACHINE_END |